package com.zeng.config;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author zeng
 * @date 2021/08/09 19:41
 */
public class LoginHandlerInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        Object loginUser = request.getSession().getAttribute("loginUser");
        if(loginUser == null){
            request.setAttribute("msg","没有权限,请登入");
            request.getRequestDispatcher("/index.html").forward(request,response);
            return false;
        } else {
            return true;
        }
    }
}
